Core Viewpoint - Sifang Co., Ltd. (stock code: sh601126) experienced a limit-up on February 12, 2026, reaching a price of 42.78 yuan, with a 10% increase, and a total market capitalization of 35.644 billion yuan, driven by factors such as national grid planning, advancements in solid-state transformer technology, and improvements in corporate governance [1][2]. Group 1 - The National Grid's "14th Five-Year Plan" includes a 40% increase in fixed asset investment, providing stable growth momentum for Sifang Co.'s main business, which offers products and solutions across various segments of the power sector [2]. - Sifang Co. is a leader in solid-state transformer (SST) technology, offering a full range of products successfully applied in several national demonstration projects, indicating a promising market outlook as new power systems develop [2]. - Recent revisions to 21 management systems have enhanced the company's governance, transparency, and investor trust, alongside a planned stock buyback of up to 2.1 billion yuan to improve capital efficiency [2]. Group 2 - Despite net selling by institutions and foreign capital on February 5, 2026, high participation from retail investors resulted in a trading volume of 1.519 billion yuan, reflecting significant market interest in Sifang Co. [2]. - The positive fundamentals and growth prospects of Sifang Co. have attracted investor attention, contributing to the stock's limit-up performance [2].

Group 1 - The electric grid equipment sector is experiencing significant growth, with companies like Suyuan Electric and Sifang Co. reaching new highs, while Shun Sodium, Senyuan Electric, and Wangbian Electric hit the daily limit, and Xinte Electric and Yinen Power rose over 10% [1] - Global investment in electric grids is witnessing a positive trend, driven by China's planned investment of 4 trillion yuan in the State Grid during the 14th Five-Year Plan, representing a 40% increase compared to the previous plan, with a focus on UHV construction and distribution network upgrades [1] - In the U.S., the Department of Energy has launched the "Power Acceleration Plan" to expedite grid infrastructure development, addressing the electricity demand created by AI advancements [1] Group 2 - The surge in AI computing power has intensified the supply-demand tension for electric equipment, leading to significantly extended delivery times for products like transformers, which presents substantial overseas opportunities for Chinese electric grid equipment companies with complete industrial chains and efficient delivery capabilities [1]

Group 1 - The core index of ultra-high voltage stocks strengthened during the trading session on February 12, with most constituent stocks experiencing an increase [1] - Four-way shares led the gains with an increase of over 7%, while other notable stocks such as Jinpan Technology, Windfang Shares, Ankao Zhidian, and Zhiguang Electric also saw significant rises [1]

Core Viewpoint - The core reason for the electricity shortage in the U.S. is the continuous increase in capital expenditure expectations for data centers, leading to a significant upward revision of peak load growth forecasts for summer from 64GW in 2024 to 166GW in 2025 by GridStrategies [2] Group 1: Electricity Shortage Causes - The mismatch between capital expenditure expectations for data centers and actual demand, as well as the mismatch between actual demand and infrastructure capacity, creates uncertainty in the actual deployment pace of data centers [2] - The projected capacity of data center reserve projects in the U.S. has reached 245GW as of mid-October 2025, which will lead to increased peak load as data centers continue to operate [3] Group 2: Future Power Supply and Load Gap - The future new power installations in the U.S. will primarily be gas-fired, with the EIA estimating an addition of 7GW of gas power installations in 2026-2030 under current project plans, while other stable power sources will see no new additions [3] - Different scenarios for the pace of data center construction indicate varying load gaps by 2030, ranging from 2GW to 157GW, depending on whether regulatory power sources are considered [4] Group 3: Regional Load Growth Characteristics - The growth in peak load will be concentrated in areas with dense data center construction, particularly in ERCOT and PJM regions, driven by data center demand [5] - In PJM, the summer peak load is expected to rise from 156GW in 2026 to 222GW in 2036, with a significant drop in power reserve margins leading to a surge in capacity prices [6] - ERCOT's summer peak load is projected to grow from 87GW in 2025 to 138GW in 2030, with a focus on enhancing power system reliability through the construction of storage and gas-fired power sources [7] Group 4: Investment Opportunities - In the context of high market demand for gas turbines, there are bottlenecks in production capacity among leading overseas gas turbine companies, suggesting a favorable outlook for Chinese companies like Dongfang Electric and Shanghai Electric [8] - The increasing demand for U.S. power grid infrastructure presents opportunities in the transformer segment, with companies like Jinpan Technology and Siyi Electric being highlighted [8] - The short-term effectiveness of storage solutions in enhancing power system reliability points to investment potential in companies like Sungrow Power and Canadian Solar [8]

网内外业务齐拓展，持续推进 SST 布局 四方股份(601126) | [姓名table_Authors] | 电话 | 邮箱 | 登记编号 | | --- | --- | --- | --- | | 徐强(分析师) | 010-83939805 | xuqiang@gtht.com | S0880517040002 | 本报告导读： 公司是国内极少数能够提供数据中心交直流配电系统一二次关键设备及全套解决方 案的企业。针对 AIDC 特殊需求，公司加紧与客户建立深度合作关系。 投资要点： [Table_Summary] 盈利预测与投资评级。预计 2025-2027 年，公司归母净利润 8.43 亿 元、9.94 亿元、11.72 亿元，增速为 17.8%、17.9%、17.9%。对应 EPS 1.01 元、1.19 元、1.41 元。结合公司市场地位，以及同业估值，给 予公司 2026 年 40 倍 PE，目标价 47.6 元，维持"增持"评级。 网内、网外业务齐拓展： （1）主网业务：受益于二次设备招标规模的带动，公司中标规模明 显高于预期。 （2）配网业务：公司积极推进一二次融合、综合能源管理等技术和 产 ...

网内外业务齐拓展，持续推进 SST 布局 四方股份(601126) | [姓名table_Authors] | 电话 | 邮箱 | 登记编号 | | --- | --- | --- | --- | | 徐强(分析师) | 010-83939805 | xuqiang@gtht.com | S0880517040002 | 本报告导读： 公司是国内极少数能够提供数据中心交直流配电系统一二次关键设备及全套解决方 案的企业。针对 AIDC 特殊需求，公司加紧与客户建立深度合作关系。 投资要点： [Table_Summary] 盈利预测与投资评级。预计 2025-2027 年，公司归母净利润 8.43 亿 元、9.94 亿元、11.72 亿元，增速为 17.8%、17.9%、17.9%。对应 EPS 1.01 元、1.19 元、1.41 元。结合公司市场地位，以及同业估值，给 予公司 2026 年 40 倍 PE，目标价 47.6 元，维持"增持"评级。 网内、网外业务齐拓展： （1）主网业务：受益于二次设备招标规模的带动，公司中标规模明 显高于预期。 （2）配网业务：公司积极推进一二次融合、综合能源管理等技术和 产 ...

Investment Rating - The report maintains a "Recommended" rating for the power equipment sector [4][15]. Core Insights - North American CSP companies are significantly increasing their capital expenditures, with Meta's Q4 2025 capex reaching $22.14 billion and projected to rise to $115-135 billion in 2026. Microsoft, Amazon, and Google are also increasing their capex, indicating a robust demand for AI training and inference [3][12][13]. - Domestic AI applications are entering a commercialization inflection point, with companies like Tencent and Alibaba launching significant promotional campaigns to stimulate user engagement and application usage [12][13]. - The AI industry is transitioning from a focus on computational power to a collaborative expansion involving infrastructure and application ecosystems, benefiting sectors such as servers, power equipment, data centers, and liquid cooling systems [14]. Summary by Sections Investment Views - The report suggests focusing on the IDC sector, highlighting companies like Kehua Data and Jinpan Technology due to their growth potential. It also recommends monitoring high-voltage circuit breakers and power supply sectors, with specific mentions of companies like Liangxin and Sunshine Power [4][14]. Industry Dynamics - The report notes that the domestic data center sector is beginning to expand and upgrade, with significant opportunities in direct current power supply equipment. The power equipment sector is expected to benefit from these trends [4][17]. - The report highlights that the State Grid's fixed asset investment grew by over 35% year-on-year in January, indicating strong infrastructure investment [18][19]. Key Companies and Earnings Forecast - The report provides earnings forecasts for several companies, including Kehua Data, Liangxin, and Sunshine Power, with specific EPS and PE ratios outlined for 2024 to 2026 [7][16].

证券日报网讯2月9日，四方股份（601126）在互动平台回答投资者提问时表示，公司2025年度经营情况 符合既定目标，整体推进有序、交付节奏正常。 ...

证券日报网讯2月9日，四方股份（601126）在互动平台回答投资者提问时表示，公司坚定发展储能业 务。公司目前公布的营收构成按网内、网外及其他进行分类的，储能属于公司产品的一部分，从营收构 成的角度来看，拆分到了网内和网外业务里，分类方式不同。公司储能产品以"全栈自研、全域支撑"为 目标，持续加大研发投入，推动构网型控制技术、高压级联储能技术、高安全储能集成等先进技术的研 究及工程应用。目前，公司储能产品和解决方案已实现全应用场景覆盖，在发输配用各个环节有效支撑 电网安全稳定运行和电量高效利用，公司持续加大研发及市场投入，加快技术迭代以及海内外市场拓 展。在技术迭代方面，实现了构网型储能技术在国内外多个项目应用；火储联合调频技术完成储能与百 万千瓦机组联合调频项目投运；集中式储能变流器技术在电网侧大型独立储能电站的应用规模持续扩 大。市场拓展方面，进一步推动海外市场的应用规模。 ...

Investment Rating - The report rates the industry as "Outperform" [2] Core Insights - The data center industry has become the core incremental application scenario for the power equipment sector, directly driving demand growth and technological iteration for power equipment [5][2] - The report emphasizes the need to incorporate AI industry multidimensional indicators to accurately gauge the demand for power distribution equipment, given the capital expenditure scale and long investment return cycles in the data center sector [2][5] - Key indicators are constructed from three aspects: demand side (capital expenditure from leading cloud vendors), supply chain (GPU supply tracking), and AI application side (development of AI applications) [2][5] Summary by Sections Demand Side - Capital expenditure from overseas major cloud vendors reached $113.862 billion in Q4 2025, a year-on-year increase of 59.42% and a quarter-on-quarter increase of 14.30% [7] - Alibaba's capital expenditure in Q3 2025 was 31.5 billion yuan, a year-on-year increase of 80.10% but a quarter-on-quarter decrease of 18.55% [10] - Tencent's capital expenditure in Q3 2025 was 13 billion yuan, a year-on-year decrease of 24.05% and a quarter-on-quarter decrease of 32.05% [10] Supply Chain - NVIDIA's total revenue in Q3 2025 was $57.006 billion, with data center product revenue reaching $51.215 billion, marking a historical peak with a quarter-on-quarter growth of 24.62% and a year-on-year growth of 66.44% [15] - TSMC's revenue in December 2025 was 335 billion NTD, a year-on-year increase of 20.4% [22] - The CPU price index in December 2025 was 101.21, showing a slight increase from 99.04 in November [27] AI Application Side - The token call volume from January 27 to February 2, 2026, was 9.81 trillion, reflecting a quarter-on-quarter growth of 26.91% [36] - The price of tokens for models scoring over 40 on the Artificial Analysis Intelligence Index decreased by over 50% in Q3 2025 [45] - The report highlights the steady growth in the number of AI models and the increasing application deployment, which directly impacts the capital expenditure cycle of data centers [29]